[{"id":"IL-0112","title":{"en":"The daily node rollover put DFDS's EKS nodes on an AMI later recalled for a kernel issue, causing \"PLEG is not healthy\" NodeNotReady flaps and pod network timeouts","ko":"나중에 회수된 EKS 노드 AMI 로 노드를 교체한 뒤 노드가 PLEG is not healthy 를 보고하며 NotReady 를 오갔고 파드 네트워크 타임아웃이 났다"},"org":"DFDS","org_slug":"dfds","date":"2022-10-31","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0112","shared_components":["linux-kernel","node-image"]},{"id":"IL-0012","title":{"en":"CPU limits and an unpatched kernel CFS quota bug throttled multi-threaded services into stalls, failed health checks and timeouts","ko":"CPU limit 과 커널 CFS 쿼터 버그로 파드가 과하게 스로틀링돼 헬스 체크가 실패하고 애플리케이션이 멈췄다"},"org":"Omio","org_slug":"omio","date":"2020-02-17","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0012","shared_components":["linux-kernel","cpu-limit"]},{"id":"IL-0143","title":{"en":"GKE nodes upgraded to certain 1.13 and 1.14 versions had an elevated number of kernel panics, fixed by releases that downgraded the Container-Optimized OS image","ko":"GKE 1.13 과 1.14 의 특정 버전으로 업그레이드한 노드에서 커널 패닉이 늘었다."},"org":"Google Cloud","org_slug":"google-cloud","date":"2019-11-04","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0143","shared_components":["linux-kernel","node-image"]},{"id":"IL-0171","title":{"en":"Karpenter node auto-repair replaced EKS GPU nodes about 10 minutes after they became Ready, in a loop, because the Bottlerocket NVIDIA AMI lacked libdcgm.so and set AcceleratedHardwareReady to False","ko":"Bottlerocket AMI 에 libdcgm.so 가 없어 GPU 노드의 AcceleratedHardwareReady 가 False 가 됐고, Karpenter 노드 자동 복구가 Ready 뒤 10~11분마다 GPU 노드를 교체하는 일을 끝없이 되풀이했다."},"org":"Inflab","org_slug":"inflab","date":"2025-08-27","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0171","shared_components":["node-image"]},{"id":"IL-0147","title":{"en":"AKS nodes behind an HTTP proxy failed to provision with CSE exit code 31 on 202508 node images, because a refactoring stopped the proxy from being used when downloading uncached Kubernetes binaries","ko":"AKS 202508 노드 이미지가 캐시되지 않은 쿠버네티스 바이너리를 받을 때 HTTP 프록시 설정을 쓰지 않아, 프록시 뒤에 있는 노드의 프로비저닝이 CSE 종료 코드 31 로 실패했다."},"org":"Microsoft","org_slug":"microsoft","date":"2025-08-26","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0147","shared_components":["node-image"]},{"id":"IL-0138","title":{"en":"A failed Nvidia driver build left broken kernel packages on the only Kubernetes master node, which hit a kernel panic on reboot after a power outage and took the homelab cluster down for six days","ko":"nvidia-dkms-390 드라이버 빌드 실패로 망가진 커널 헤더가 몇 주 동안 방치됐다가, 정전 뒤 재부팅하자 하나뿐인 마스터 노드가 커널 패닉에 빠져 홈랩 쿠버네티스 클러스터가 6일 동안 멈췄다."},"org":"Barush Mendez","org_slug":"barush-mendez","date":"2025-03-03","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0138","shared_components":["linux-kernel"]},{"id":"IL-0175","title":{"en":"Lowering a JVM pod's CPU request from 2 to 1 pushed memory past the 90% alert because the JVM treats a cgroup v1 cpu.shares value of exactly 1024 as unset and sized Reactor Netty threads from the node's 36 CPUs","ko":"JVM 파드의 CPU requests 를 1코어로 줄이자 JVM 이 노드의 CPU 36개를 인식해 Reactor Netty 스레드가 늘고 메모리 사용량이 경보 기준을 넘었다"},"org":"Hyperconnect","org_slug":"hyperconnect","date":"2022-07-19","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0175","shared_components":["cpu-limit"]},{"id":"IL-0146","title":{"en":"New AKS clusters with Azure CNI in Central India lost tunnel connectivity because VMs began getting MAC addresses with a 06 prefix, which exposed a dormant bug in bridge-mode Azure CNI","ko":"Central India 에서 새로 만든 Azure CNI 클러스터의 VM 이 높은 값의 MAC 주소를 받으면서 bridge 모드 Azure CNI 의 오래된 버그가 드러나 터널 연결이 끊기고 kubectl exec 와 파드 간 통신이 타임아웃됐다."},"org":"Microsoft Azure","org_slug":"microsoft-azure","date":"2020-12-04","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0146","shared_components":["node-image"]}]